Experience with CO2 Laser in Tumor Surgery
The CO2 laser is used in general surgery for noncontact cutting of tissues. Its use in tumor surgery is based on speculation that it seals lymph vessels, thus preventing lymphogenous spread of tumor cells during the operation. This was first reported by Kaplan and Ger , but results of experimental investigations have been controversial. Our own experiments have demonstrated the following:
The incidence of tumor growth is much lower when wounds are exposed to CO2 laser before swabbing tumor cells into them.
The local recurrence rate is lower when tumor excision is done by CO2 laser.
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